var bCallback, strCallbackElement;
bCallback = false;
var xmlHttp;
function GetXmlHttpObject() {
    var xmlHttp = null;
    try {
        // Firefox, Opera 8.0+, Safari
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        // Internet Explorer
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}

function hitURL(strURL) {
	//alert(strURL);
	
    xmlHttp = GetXmlHttpObject();
    if (bCallback){
 	   xmlHttp.onreadystatechange=state_Change;
	}
    if (xmlHttp == null) {
        return;
    }
    var url = strURL;
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}

function state_Change()
{
if (xmlHttp.readyState==4)
  {
  if (xmlHttp.status==200)
    {
    	  document.getElementById(strCallbackElement).innerHTML = xmlHttp.responseText;
    }
  else
    {
    alert("Error");
    }
  }
}